Screenshots of settings:

Choose SET:

Choose Connectors:

Connectors Page 1/4:

Connectors Page 2/4:

Connectors Page 3/4:

Connectors Page 4/4:

USB Send/Keying 1/1:

Back to Connectors Page 3/4 and Choose CI-V:

CI-V Page 1/2:

CI-V Page 2/2:

Choose SET again:

Choose Function:

Choose Time-out Timer:

Set to 3min:

ALL DONE!